body {
  margin: 0;
  height: 100vh;
}
p {
  margin: 0;
}

.root {
  min-height: 100vh;
}

.header {
  height: 70px;
  background-color: #001529;
  position: fixed;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 99;
}

/* 原生CSS也是有变量的 */
/* --变量名 */
/* var() */
/* liner-gradinent() */
/* calc() 加减乘除 原则：单位合理 */
/* 1px  + 1px */
/* 1deg + 1px */
/* 1px * 1px 1px*2 */
.content {
  min-height: calc(100vh - 70px - 100px);
  /* background-color: skyblue; */
  padding-top: 70px;
}

.footer {
  height: 100px;
  /* background-color: lime; */
  text-align: center;
  font-size: 14px;
}

.header .active span {
  color: #fff;
}

@font-face {
  font-family: "iconfont"; /* Project id 4815896 */
  src: url("//at.alicdn.com/t/c/font_4815896_cey8pc5ci.woff2?t=1737428943679")
      format("woff2"),
    url("//at.alicdn.com/t/c/font_4815896_cey8pc5ci.woff?t=1737428943679")
      format("woff"),
    url("//at.alicdn.com/t/c/font_4815896_cey8pc5ci.ttf?t=1737428943679")
      format("truetype");
}

.iconfont {
  font-family: "iconfont" !important;
  font-size: 16px;
  font-style: normal;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.icon-jiangbei-:before {
  content: "\e6b9";
}
